Jeff King <p...@peff.net> writes:
> I guessed that this might have come from the conversion of "message"
> form a pointer (which could be NULL) into a strbuf. And indeed, it looks
> like f956853 (builtin-commit: resurrect behavior for multiple -m
> options, 2007-11-11) did that.
Yikes. That is a quite ancient breakage.
The funny thing is that we did address the same breakage in 25206778
(commit: don't start editor if empty message is given with -m,
2013-05-25), but didn't notice that there are other breakages of the
same nature.
I think all message.len check can and should be have_option_m
instead.
- The one in the first hunk is a fix for the issue that "-m ''" is
ignored and we read from use_message etc., which is the original
issue in this thread.
- The second one is a fix for your "git commit -m '' -F f" example
that does not error out.
- The last one is a fix for "git -c commit.template=f commit -m ''"
that still uses the template file 'f'.
builtin/commit.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/builtin/commit.c b/builtin/commit.c
index 98e1527..391126e 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -695,7 +695,7 @@ static int prepare_to_commit(const char *index_file, const
char *prefix,
}
}
- if (message.len) {
+ if (have_option_m) {
strbuf_addbuf(&sb, &message);
hook_arg1 = "message";
} else if (logfile && !strcmp(logfile, "-")) {
@@ -1172,9 +1172,9 @@ static int parse_and_validate_options(int argc, const
char *argv[],
f++;
if (f > 1)
die(_("Only one of -c/-C/-F/--fixup can be used."));
- if (message.len && f > 0)
+ if (have_option_m && f > 0)
die((_("Option -m cannot be combined with -c/-C/-F/--fixup.")));
- if (f || message.len)
+ if (f || have_option_m)
template_file = NULL;
if (edit_message)
use_message = edit_message;
--
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